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<tr bgcolor=#f0f0f0><td align=center><b>Name</b></td><td align=center><b>Kind</b></td><td align=center><b>Description</b></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refuse case129072" target = "projectFrame"><b>rating</b></a></td><td>use case</td><td></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refclass instance128495" target = "projectFrame"><b>rating</b></a></td><td>class instance</td><td></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refsequence diagram128258" target = "projectFrame"><b>rating</b></a></td><td>sequence diagram</td><td></td></tr>
<tr bgcolor=#f0f0f0><td><a href="class128495.html#refclass128495" target = "projectFrame"><b>rating</b></a></td><td>class</td><td></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refuse case128176" target = "projectFrame"><b>registration</b></a></td><td>use case</td><td>Allow people to register to be a registered users. Registered users can be escalated to be sellers or buyers</td></tr>
<tr bgcolor=#f0f0f0><td><a href="class128367.html#refclass128367" target = "projectFrame"><b>registration</b></a></td><td>class</td><td></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refsequence diagram128111" target = "projectFrame"><b>registration</b></a></td><td>sequence diagram</td><td>1.select_account_form(): show form with recommended accounts to select<br />2.check_availability() : check the availability of selected account and return a list of recommended account if it is not available <br />3.check_registration() : ensure that  user's email is not duplicated<br /><br /></td></tr>
<tr bgcolor=#f0f0f0><td><a href="index.html#refuse case129968" target = "projectFrame"><b>reporting</b></a></td><td>use case</td><td></td></tr>
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